The Weekly Mint Template Updates and Fixes

### User Story

[comment]: # (As a , I want to so that .)
As a Gitcoin marketer, I want to update The Weekly Mint template so that we can continue its success in terms of opens and clicks.

### Why Is this Needed

[comment]: # (Describe the problem and why this task is needed. Provide description of the current state, what you would like to happen, and what actually happen)
*Summary*:

1. Update Headers #7769
1. Add two new sections
* **Blockchain Jobs** (under "Town Square Updates") #7770
* **Product Updates** (under "Gitcoin Updates") #7771
* _If there is no content_, **hide the section**
1. Bug fix (below 👇)

### Description

[comment]: # (Feature or Bug? i.e Type: Bug)
*Type*: Bug

### Current Behavior
[comment]: # (Describe what actually happened.)

Under Hackathons > "Coming Soon" there is a `.` at the end of each entry


### Expected Behavior
[comment]: # (Describe what you expected to happen.)

The periods `.` should not be there.

### Definition of Done
[comment]: # (Any other information that would be useful, bullets are helpful.)

1. Headers updated #7769
1. The 2 new sections added (#7770 & #7771)
1. The periods `.` removed

### Data Requirements
[comment]: # (How will we measure the success of this feature? What kind of tracking is needed for this feature (clicks, impressions, flag)?)

It's being monitored via UTMs