ci: Fix docker release workflow (#203)

* ci: Fix `freebsd` image version on cirrus

* ci: Pin Ubuntu version to set Z3 as a default solver for macOS

* chore: Update gtest version

* ci: Update llvm version in Dockerfile

* fix(scripts): Fix ShellCheck warning

* feat(build): Add `ENABLE_FP_RUNTIME` option

* style: Use a vector instead of an array as a variable-length container

* chore(docker): Update Dockerfile

* test: Require `not-ubsan` for a couple of tests with 32-bit binaries

ci(release): Update registry

fix: Decrease `checkMemoryUsage` threshhold

[chore] Update `kleef`

Remove build-in-base-env.yml

Compile as lib for UTBot

[tempfix] Write addresses of MOs in KTest

Fix stdin-read variable

Add support stdin/stdout with interactive mode

Implement getc, fgetc, fread, fgets, getchar, gets, putc, fputc, fwrite, fputs, putchar, puts

Update version to 2.2

Release notes for 2.1