Use latest version of llvm-cov to prevent code coverage version mismatch

[nmoinvaz]

See #977.

Unexpected version: *804.
Invalid .gcno File!

[codecov]

Codecov Report

Merging #981 (8aa1dbc) into develop (2c65dce) will decrease coverage by 0.31%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #981      +/-   ##
===========================================
- Coverage    75.81%   75.49%   -0.32%     
===========================================
  Files           74       74              
  Lines         8082     8301     +219     
  Branches      1343     1369      +26     
===========================================
+ Hits          6127     6267     +140     
- Misses        1425     1498      +73     
- Partials       530      536       +6     

Flag	Coverage Δ
macos_clang	68.55% <ø> (ø)
macos_gcc	67.45% <ø> (ø)
ubuntu_clang	69.49% <ø> (?)
ubuntu_clang_debug	68.89% <ø> (∅)
ubuntu_clang_inflate_allow_invalid_dist	69.23% <ø> (?)
ubuntu_clang_inflate_strict	69.49% <ø> (?)
ubuntu_clang_mmap	69.21% <ø> (?)
ubuntu_clang_msan	69.49% <ø> (∅)
ubuntu_gcc	68.70% <ø> (ø)
ubuntu_gcc_aarch64	68.98% <ø> (ø)
ubuntu_gcc_aarch64_compat_no_opt	67.32% <ø> (ø)
ubuntu_gcc_aarch64_no_acle	67.89% <ø> (ø)
ubuntu_gcc_aarch64_no_neon	68.29% <ø> (ø)
ubuntu_gcc_armhf	68.97% <ø> (ø)
ubuntu_gcc_armhf_compat_no_opt	67.32% <ø> (ø)
ubuntu_gcc_armhf_no_acle	69.13% <ø> (ø)
ubuntu_gcc_armhf_no_neon	69.46% <ø> (ø)
ubuntu_gcc_armsf	68.98% <ø> (ø)
ubuntu_gcc_armsf_compat_no_opt	67.32% <ø> (ø)
ubuntu_gcc_compat_no_opt	68.71% <ø> (ø)
ubuntu_gcc_mingw_i686	0.00% <ø> (ø)
ubuntu_gcc_mingw_x86_64	0.00% <ø> (ø)
ubuntu_gcc_no_avx2	69.06% <ø> (ø)
ubuntu_gcc_no_pclmulqdq	66.88% <ø> (ø)
ubuntu_gcc_no_sse2	68.11% <ø> (ø)
ubuntu_gcc_no_sse4	66.85% <ø> (ø)
ubuntu_gcc_o3	68.43% <ø> (ø)
ubuntu_gcc_osb	70.98% <ø> (ø)
ubuntu_gcc_ppc	69.16% <ø> (ø)
ubuntu_gcc_ppc64	69.95% <ø> (ø)
ubuntu_gcc_ppc64le	68.65% <ø> (ø)
ubuntu_gcc_s390x	67.90% <ø> (ø)
ubuntu_gcc_sparc64	70.35% <ø> (ø)
win64_gcc	70.39% <ø> (ø)
win64_gcc_compat_no_opt	73.88% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
inffast.c	88.27% <0.00%> (-6.87%)	⬇️
test/adler32_test.c	63.63% <0.00%> (-6.37%)	⬇️
zutil.c	32.14% <0.00%> (-5.36%)	⬇️
trees_emit.h	65.82% <0.00%> (-1.71%)	⬇️
trees.c	63.41% <0.00%> (-1.66%)	⬇️
deflate.c	69.93% <0.00%> (-1.43%)	⬇️
uncompr.c	79.06% <0.00%> (-1.42%)	⬇️
inftrees.c	81.29% <0.00%> (-1.29%)	⬇️
test/minideflate.c	59.44% <0.00%> (-1.01%)	⬇️
inflate.c	87.41% <0.00%> (-0.78%)	⬇️
... and 26 more

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[nmoinvaz]

I can probably count on my hand how many times code coverage check has succeeded.