gh-36668: CI Linux: Fix "optional", "experimental" jobs

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Fixes #36667
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URL: #36668
Reported by: Matthias Köppe
Reviewer(s): Kwankyu Lee, Matthias Köppe

Author: Release Manager

.github/workflows/docker.yml

@@ -190,6 +190,9 @@ jobs:
               echo "DOCKER_PUSH_REPOSITORY=$(echo ${{ inputs.docker_push_repository }} | tr "[:upper:]" "[:lower:]")" >> $GITHUB_ENV
               echo "DOCKER_CONFIG_FILE=$HOME/.docker/config.json" >> $GITHUB_ENV
             fi
+
+      - name: Determine Docker tags to use
+        run: |
             # This line needs to be run before the step "Merge CI fixes from sagemath/sage".
             DOCKER_TAG="$(git describe --dirty --always)"
             echo "DOCKER_TAG=$DOCKER_TAG" >> $GITHUB_ENV

build/pkgs/configure/checksums.ini

@@ -1,4 +1,4 @@
 tarball=configure-VERSION.tar.gz
-sha1=41ec9a0bdf6e5982204b26ce2593e4b5a1863c96
-md5=8ea80ef7438ed62345de677dc921af2e
-cksum=2979893163
+sha1=e965180c957a340bb04576df39802f3a36d340e7
+md5=932bfcea357845fa9610dc698e2390d3
+cksum=2852244160

build/pkgs/configure/package-version.txt

@@ -1 +1 @@
-be0b5cf887fefcdf31df70be0a62b10b7929f28c
+fb5b09d7f749e15c38ecb4ffe2de7b398e37f73f