melange: incorporate v0.26.8 release

Intended to address the test failures in:
- wolfi-dev#55716
- wolfi-dev#55813

v2: drop gobump of containerd dependency, addressed in uptream melange
  in chainguard-dev/melange#2034

Signed-off-by: Steve Beattie <[email protected]>

Author: stevebeattie

melange.yaml

@@ -1,6 +1,6 @@
 package:
   name: melange
-  version: "0.26.7"
+  version: "0.26.8"
   epoch: 0
   description: build APKs from source code
   copyright:
@@ -13,15 +13,10 @@ package:
 pipeline:
   - uses: git-checkout
     with:
-      expected-commit: 6418f7c66370d9058a152e1022f2ef48b5c4661a
+      expected-commit: f203105284d1c09bceec3719dc99a45c5b991c5b
       repository: https://github.com/chainguard-dev/melange
       tag: v${{package.version}}
 
-  - uses: go/bump
-    with:
-      deps: |-
-        github.com/containerd/containerd/[email protected]
-
   - uses: go/build
     with:
       output: melange