docs: update references to renovatebot/github-action to v43.0.4

| datasource      | package                   | from    | to      |
| --------------- | ------------------------- | ------- | ------- |
| github-releases | renovatebot/github-action | v43.0.3 | v43.0.4 |
| github-tags     | renovatebot/github-action | v43.0.3 | v43.0.4 |

Author: renovate[bot]

README.md

@@ -100,7 +100,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           docker-cmd-file: .github/renovate-entrypoint.sh
           docker-user: root
@@ -143,7 +143,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           token: ${{ secrets.RENOVATE_TOKEN }}
           docker-volumes: |
@@ -194,7 +194,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           renovate-image: myproxyhub.domain.com/renovate/renovate
           token: ${{ secrets.RENOVATE_TOKEN }}
@@ -211,7 +211,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           token: ${{ secrets.RENOVATE_TOKEN }}
 ```
@@ -233,7 +233,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           renovate-version: 41.40.0
           token: ${{ secrets.RENOVATE_TOKEN }}
@@ -250,7 +250,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           renovate-version: full
           token: ${{ secrets.RENOVATE_TOKEN }}
@@ -285,7 +285,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           configurationFile: example/renovate-config.js
           token: ${{ secrets.RENOVATE_TOKEN }}
@@ -298,7 +298,7 @@ If you want to use the Renovate Action on a GitHub Enterprise instance you have
 ```yml
 ....
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           configurationFile: example/renovate-config.js
           token: ${{ secrets.RENOVATE_TOKEN }}
@@ -345,7 +345,7 @@ jobs:
         uses: actions/[email protected]
 
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           configurationFile: example/renovate-config.js
           token: '${{ steps.get_token.outputs.token }}'
@@ -360,7 +360,7 @@ For example:
 
 ```yaml
 - name: Self-hosted Renovate
-  uses: renovatebot/[email protected].3
+  uses: renovatebot/[email protected].4
   with:
     token: '${{ steps.get_token.outputs.token }}'
   env:
@@ -384,7 +384,7 @@ For example if you wish to pass through some credentials for a [host rule](https
          - name: Checkout
            uses: actions/[email protected]
          - name: Self-hosted Renovate
-           uses: renovatebot/[email protected].3
+           uses: renovatebot/[email protected].4
            with:
              configurationFile: example/renovate-config.js
              token: ${{ secrets.RENOVATE_TOKEN }}
@@ -421,7 +421,7 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           configurationFile: example/renovate-config.js
           token: ${{ secrets.RENOVATE_TOKEN }}
@@ -512,7 +512,7 @@ jobs:
           sudo chown -R 12021:0 /tmp/renovate/
           ls -R $cache_dir
 
-      - uses: renovatebot/[email protected].3
+      - uses: renovatebot/[email protected].4
         with:
           configurationFile: renovate.json5
           token: ${{ secrets.RENOVATE_TOKEN }}
@@ -550,7 +550,7 @@ To enable debug logging, add the environment variable `LOG_LEVEL: 'debug'` to th
 
 ```yml
 - name: Self-hosted Renovate
-  uses: renovatebot/[email protected].3
+  uses: renovatebot/[email protected].4
   with:
     configurationFile: example/renovate-config.js
     token: ${{ secrets.RENOVATE_TOKEN }}