harfbuzz: Bump glib to 2.78.3 to avoid conflicts

[jwillikers]

Bump Meson.

[ghost]

I detected other pull requests that are modifying harfbuzz/all recipe:

• harfbuzz: bump deps, fix conflict with cairo when building pango #23505
• harbfuzz: add new version 9.0.0 #23319
• harfbuzz: add v8.3.1, drop vulnerable versions (< 7.0) #23255

This message is automatically generated by https://github.com/ericLemanissier/conan-center-conflicting-prs so don't hesitate to report issues/improvements there.

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 2 (1b1736dab03ec0bf3b3a76f57f9a1c1afbccc0df):

• harfbuzz/8.3.0:
  All packages built successfully! (All logs)

• harfbuzz/8.2.2:
  All packages built successfully! (All logs)

• harfbuzz/8.2.1:
  All packages built successfully! (All logs)

• harfbuzz/8.1.1:
  All packages built successfully! (All logs)

• harfbuzz/8.0.1:
  All packages built successfully! (All logs)

• harfbuzz/7.3.0:
  All packages built successfully! (All logs)

• harfbuzz/6.0.0:
  All packages built successfully! (All logs)

• harfbuzz/5.1.0:
  All packages built successfully! (All logs)

---

Conan v2 pipeline ✔️

Note: Conan v2 builds are now mandatory. Please read our discussion about it.

All green in build 2 (1b1736dab03ec0bf3b3a76f57f9a1c1afbccc0df):

• harfbuzz/8.3.0:
  All packages built successfully! (All logs)

• harfbuzz/8.2.1:
  All packages built successfully! (All logs)

• harfbuzz/8.1.1:
  All packages built successfully! (All logs)

• harfbuzz/8.2.2:
  All packages built successfully! (All logs)

• harfbuzz/8.0.1:
  All packages built successfully! (All logs)

• harfbuzz/7.3.0:
  All packages built successfully! (All logs)

• harfbuzz/6.0.0:
  All packages built successfully! (All logs)

• harfbuzz/5.1.0:
  All packages built successfully! (All logs)

[conan-center-bot]

This PR has been automatically merged due to Bump version or Bump dependencies label.
Read https://github.com/conan-io/conan-center-index/blob/master/docs/labels.md#bump-version to obtain more information.