docs(changelog): record the MSRV bump to 1.64.0 in 0.5.0#877

ameyypawar wants to merge 1 commit into

tower-rs:mastertower-rs/tower:masterfrom

ameyypawar:fix/changelog-msrv-1.64ameyypawar/tower:fix/changelog-msrv-1.64Copy head branch name to clipboard