[CI] pin go 1.21

.forgejo/workflows/build-release.yml

@@ -40,7 +40,7 @@ jobs:
 
       - uses: https://code.forgejo.org/actions/setup-go@v4
         with:
-          go-version: ">=1.21"
+          go-version: "1.21"
           check-latest: true
 
       - name: version from ref_name

.forgejo/workflows/cascade-setup-end-to-end.yml

@@ -46,7 +46,7 @@ jobs:
           su forgejo -c 'set -ex ; for b in ${{ env.FEATURE_BRANCHES }} ; do git merge -m $b origin/forgejo-$b ; done'
       - uses: https://code.forgejo.org/actions/setup-go@v4
         with:
-          go-version: ">=1.21"
+          go-version: "1.21"
       - name: make deps-backend
         run: |
           su forgejo -c 'make deps-backend'

.forgejo/workflows/publish-release.yml

@@ -61,7 +61,7 @@ jobs:
         if: vars.ROLE == 'forgejo-experimental' && secrets.OVH_APP_KEY != ''
         uses: https://code.forgejo.org/actions/setup-go@v4
         with:
-          go-version: ">=1.21"
+          go-version: "1.21"
           check-latest: true
       - name: update the _release.experimental DNS record
         if: vars.ROLE == 'forgejo-experimental' && secrets.OVH_APP_KEY != ''

.forgejo/workflows/testing.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: https://code.forgejo.org/actions/checkout@v3
       - uses: https://code.forgejo.org/actions/setup-go@v4
         with:
-          go-version: ">=1.21"
+          go-version: "1.21"
           check-latest: true
       - run: make deps-backend deps-tools
       - run: make lint-backend
@@ -32,7 +32,7 @@ jobs:
       - uses: https://code.forgejo.org/actions/checkout@v3
       - uses: https://code.forgejo.org/actions/setup-go@v4
         with:
-          go-version: ">=1.21"
+          go-version: "1.21"
           check-latest: true
       - run: make deps-backend deps-tools
       - run: make --always-make checks-backend # ensure the "go-licenses" make target runs
@@ -52,7 +52,7 @@ jobs:
       - uses: https://code.forgejo.org/actions/checkout@v3
       - uses: https://code.forgejo.org/actions/setup-go@v4
         with:
-          go-version: ">=1.21"
+          go-version: "1.21"
       - run: |
           git config --add safe.directory '*'
           adduser --quiet --comment forgejo --disabled-password forgejo