Render mermaid via code blocks, instead of shortcodes (#286)

See
-
scientific-python/scientific-python-hugo-theme#338
- scientific-python/scientific-python.org#518

Author: jarrodmillman

netlify.toml

@@ -1,6 +1,6 @@
 [build.environment]
   PYTHON_VERSION = "3.8" # netlify currently only support 2.7 and 3.8
-  HUGO_VERSION = "0.119.0"
+  HUGO_VERSION = "0.120.1"
   DART_SASS_VERSION = "1.69.4"
   DART_SASS_URL = "https://github.com/sass/dart-sass/releases/download/"
 

purpose-and-process/_index.md

@@ -98,7 +98,7 @@ its development and implementation:
 **Accept**, **Endorse**, and **Adopt**.
 
 <!-- prettier-ignore-start -->
-{{<mermaid>}}
+```mermaid
 graph LR
 
 START[ ]--> |Propose| A[Accept]
@@ -111,7 +111,7 @@ click C callback "Ecosystem Action"
 
 style START fill:#FFFFFF, stroke:#FFFFFF;
 
-{{</mermaid>}}
+```
 <!-- prettier-ignore-end -->
 
 The **accept decision** is made by the Steering Committee and means the proposed SPEC is

spec-0000/index.md

@@ -65,9 +65,9 @@ The situation has since improved due to improved installations via binary wheels
 
 ### Support Window
 
-{{< mermaid >}}
+```mermaid
 {{< include-raw "chart.md" >}}
-{{< /mermaid >}}
+```
 
 ### Drop Schedule