Merge #10155: build: Deduplicate version numbers
9ff7818 doc: Update release process for simplified version bumping (Wladimir J. van der Laan)
08d9aee build: Remove duplicate version information from src/clientversion.h (Wladimir J. van der Laan)
168a703 doc: Make build system insert version in Doxyfile (Wladimir J. van der Laan)
b67eb8d doc: Remove version numbers from READMEs (Wladimir J. van der Laan)
Tree-SHA512: 531e44282b1c1383a382847a5605177917dfbf78acfaa754d1cbadd2e165c7e34ddbd01790f87615083fac359571708c2551ad24b712aab1f84a2068360c3a17