0.21.5
 * session: Tolerate non-approved DH parameter usage in FIPS mode [!145]
 * Add some missing GIR annotations [!140]
 * meson: Create default test setup with D-Bus [!115]
 * meson: Use env.prepend() for test environment setup [!141]
 * meson: Fix license field [!139]
 * build: Remove self-inclusion from secret-item.h [!149]
 * build: Fix compiler warnings in Vala tests [!153]
 * tests: Fix "\|" used in test-secret-tool.sh not portable [!150]
 * Fix typo in D-Bus XML [!152]
 * docs: Fix minor gi-docgen reference [!142]
 * docs: Fix Python example [!144]
 * docs: Mention file backend [!146]
 * docs: Fix link in README [!147]
 * Several CI-related updates
 * Updated translations