Log Message:
p11-kit: update to 0.23.22.

0.23.22 (stable)
 * Fix memory-safety issues that affect the RPC protocol
   (CVE-2020-29361, CVE-2020-29362, and CVE-2020-29363), discovered
   and fixed by David Cook
 * anchor: Prefer persistent format when storing anchor [PR#329]
 * common: Fix infloop in p11_path_build [PR#326, PR#327]
 * proxy: C_CloseAllSessions: Make sure that calloc args are non-zero [PR#325]
 * common: Check for a NULL locale before freeing it [PR#321]
 * Build and test fixes [PR#313, PR#315, PR#317, PR#318, PR#319, PR#323, PR#330, \ 
PR#333, PR#334, PR#335, PR#338, PR#339]