Actions: Upgrade Clang from 11 to 13

.github/workflows/coverage.yml

@@ -46,16 +46,16 @@ jobs:
     - name: Add Clang/LLVM repositories
       run: |-
         wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-        sudo add-apt-repository 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-11 main'
+        sudo add-apt-repository 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-13 main'
     - name: Install build dependencies
       # NOTE: Please note the version-specific ${PATH} extension for Clang in .travis.sh
       run: |-
         sudo dpkg --add-architecture i386  # for wine32
         sudo apt-get update
         sudo apt-get install --yes --no-install-recommends -V \
-            clang-11 \
-            clang-format-11 \
-            llvm-11 \
+            clang-13 \
+            clang-format-13 \
+            llvm-13 \
             cmake \
             docbook2x \
             dos2unix \

.github/workflows/linux.yml

@@ -80,16 +80,16 @@ jobs:
     - name: Add Clang/LLVM repositories
       run: |-
         wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-        sudo add-apt-repository 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-11 main'
+        sudo add-apt-repository 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-13 main'
     - name: Install build dependencies
       # NOTE: Please note the version-specific ${PATH} extension for Clang in .travis.sh
       run: |-
         sudo dpkg --add-architecture i386  # for wine32
         sudo apt-get update
         sudo apt-get install --yes --no-install-recommends -V \
-            clang-11 \
-            clang-format-11 \
-            llvm-11 \
+            clang-13 \
+            clang-format-13 \
+            llvm-13 \
             cmake \
             docbook2x \
             dos2unix \

.travis.sh

@@ -39,7 +39,7 @@ if [[ ${TRAVIS_OS_NAME} = osx ]]; then
     export PATH="/usr/local/opt/coreutils/libexec/gnubin${PATH:+:}${PATH}"
     export PATH="/usr/local/opt/findutils/libexec/gnubin${PATH:+:}${PATH}"
 elif [[ ${TRAVIS_OS_NAME} = linux ]]; then
-    export PATH="/usr/lib/llvm-11/bin:${PATH}"
+    export PATH="/usr/lib/llvm-13/bin:${PATH}"
 fi
 
 echo "New \${PATH}:"