[INFRA] Remove gcc-11 from CI

Author: eseiler

.github/workflows/ci_linux.yml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        compiler: ["clang-19", "clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12", "gcc-11", "intel"]
+        compiler: ["clang-19", "clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12", "intel"]
         include:
           - compiler: "intel"
             cxx_flags: "-fp-model=strict -Wno-overriding-option"

.github/workflows/ci_macos.yml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        compiler: ["clang-19", "clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12", "gcc-11"]
+        compiler: ["clang-19", "clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12"]
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.github/workflows/ci_misc.yml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        compiler: ["clang-19", "gcc-14", "gcc-11", "intel"]
+        compiler: ["clang-19", "gcc-14", "gcc-12", "intel"]
         build: ["snippet", "performance", "header"]
         include:
           - compiler: "intel"

.github/workflows/cron_api.yml

@@ -32,7 +32,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        compiler: ["gcc-14", "gcc-13", "gcc-12", "gcc-11"]
+        compiler: ["gcc-14", "gcc-13", "gcc-12"]
     container:
       image: ghcr.io/seqan/${{ matrix.compiler }}
       volumes:

.github/workflows/cron_avx2.yml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        compiler: ["clang-19", "clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12", "gcc-11", "intel"]
+        compiler: ["clang-19", "clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12", "intel"]
         build: [unit, snippet, performance, header]
         include:
           - compiler: "intel"

.github/workflows/cron_latest_libraries.yml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        compiler: ["clang-19", "clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12", "gcc-11", "intel"]
+        compiler: ["clang-19", "clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12", "intel"]
         build: [unit, snippet, performance, header]
         include:
           - compiler: "intel"