patch 8.2.4061: codecov bash script is deprecated

Problem:    Codecov bash script is deprecated.
Solution:   Use the codecov action. (Ozaki Kiichi, closes #9505)

.github/workflows/ci.yml

@@ -92,6 +92,7 @@ jobs:
           sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-13 100
           sudo update-alternatives --set clang /usr/bin/clang-13
           sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-13 100
+          sudo update-alternatives --install /usr/bin/asan_symbolize asan_symbolize /usr/bin/asan_symbolize-13 100
 
       - name: Set up environment
         run: |
@@ -119,7 +120,6 @@ jobs:
             ;;
           esac
 
-          CFLAGS=""
           if ${{ matrix.coverage == true }}; then
             CFLAGS="$CFLAGS --coverage -DUSE_GCOV_FLUSH"
             echo "LDFLAGS=--coverage"
@@ -231,17 +231,23 @@ jobs:
       #     CC=gcc pip3 install --user cpp-coveralls pyopenssl ndg-httpsclient pyasn1
       #     ~/.local/bin/coveralls -b "${SRCDIR}" -x .xs -e "${SRCDIR}"/if_perl.c -e "${SRCDIR}"/xxd -e "${SRCDIR}"/libvterm --encodings utf-8
 
-      - name: Codecov
+      - name: Generate gcov files
         if: matrix.coverage && success()
         run: |
           cd "${SRCDIR}"
-          bash <(curl -s https://codecov.io/bash) -F "${{ matrix.features }}-${{ matrix.compiler }}-${{ matrix.extra }}"
+          find . -type f -name '*.gcno' -exec gcov -pb {} + || true
+
+      - name: Codecov
+        if: matrix.coverage && success()
+        uses: codecov/codecov-action@v2
+        with:
+          flags: ${{ matrix.features }}-${{ matrix.compiler }}-${{ matrix.extra }}
 
       - name: ASan logs
         if: contains(matrix.extra, 'asan') && !cancelled()
         run: |
           for f in $(grep -lR '#[[:digit:]]* *0x[[:digit:]a-fA-F]*' "${LOG_DIR}"); do
-            asan_symbolize-13 -l "$f"
+            asan_symbolize -l "$f"
             false # in order to fail a job
           done
 

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4061,
 /**/
     4060,
 /**/