x11-apps/picom: Update to 8.2 from 7.5

Dependency verification

packages/x11-apps/picom/picom-8.2.exheres-0

@@ -23,9 +23,9 @@ DEPENDENCIES="
         x11-proto/xorgproto
     build+run:
         dev-libs/libev
-        dev-libs/pcre[>=8.10]
+        dev-libs/pcre[>=8.20]
         x11-libs/libX11
-        x11-libs/libxcb[>=1.9.2]
+        x11-libs/libxcb[>=1.12.0]
         x11-libs/libXext
         x11-libs/pixman:1
         x11-utils/xcb-util-image
@@ -51,7 +51,7 @@ DEFAULT_SRC_INSTALL_EXTRA_DOCS=(
 
 MESON_SRC_CONFIGURE_PARAMS=(
     "-Dunittest=true"
-    "-Dbuild_docs=true"  # with_docs in "next" branch
+    "-Dwith_docs=true"
 )
 MESON_SRC_CONFIGURE_OPTION_SWITCHES=(
     "dbus"