MINOR: make capitalization of CI jobs consistent (#2333)

Author: alamb

.github/workflows/cancel.yml

@@ -16,7 +16,7 @@
 # under the License.
 
 # Attempt to cancel stale workflow runs to save github actions runner time
-name: Cancel stale runs
+name: cancel
 
 on:
   workflow_run:

.github/workflows/coverage.yml

@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
-name: Coverage
+name: coverage
 
 # Trigger only on pushes to master, not pull requests
 on:

.github/workflows/dev.yml

@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
-name: Dev
+name: dev
 
 # trigger for all PRs and changes to master
 on:
@@ -43,7 +43,7 @@ jobs:
         run: ./dev/release/run-rat.sh .
 
   prettier:
-    name: Use prettier to check formatting of markdown documents
+    name: Markdown format
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2

.github/workflows/dev_pr.yml

@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
-name: Dev PR
+name: dev_pr
 
 # Trigger whenever a PR is changed (title as well as new / changed commits)
 on:

.github/workflows/docs.yml

@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
-name: Docs
+name: docs
 
 # trigger for all PRs and changes to master
 on:

.github/workflows/integration.yml

@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
-name: Integration
+name: integration
 
 # trigger for all PRs that touch certain files and changes to master
 on:

.github/workflows/miri.yaml

@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
-name: MIRI
+name: miri
 
 # trigger for all PRs that touch certain files and changes to master
 on:

.github/workflows/rust.yml

@@ -15,8 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
-# tests for workspace wide
-name: Rust
+# workspace wide tests
+name: rust
 
 # trigger for all PRs and changes to master
 on: